0
votes
1answer
18 views

Prestone power steering fluid

Can I put Prestone power steering fluid into a Buick Enclave? Or does it require OEM fluid?
1
vote
1answer
52 views

A Suzuki GZ125 marauder that won't power on at all

I've been having a problem with my bike. I went to go to work in the morning and it turned on ok. Left to run for a few minutes then cut out. It turned over again and same thing ... I tried a third ...
1
vote
1answer
68 views

2005 Toyota Avalon how to reactivate vehicle's ECU

2005 Toyota Avalon FOB stopped working, have a replacement. Now believe accidentally deactivated vehicle's ECU by turning ignition on/off 5 times during process of adding new FOB. So now, how can I ...
5
votes
1answer
265 views

Why does an engine's idle RPMs take time to settle from a cold start?

I've noticed my car's (healthy) engine will idle at a slightly higher RPM for a few moments after it's been started from cold/not run for a day. I also noticed that my (somewhat less healthy) other ...
1
vote
0answers
31 views

What causes an engine idle to increase briefly?

I have an old twin cylinder motorcycle that I'm rebuilding and I need to tune/balance the carbs. I have them bench-balanced and reset the idle screw on both. Now it runs a lot better, but every 10-15 ...
6
votes
8answers
6k views

What would cause motor mounts to go out on a factory engine?

I got my factory motor mounts replaced on my 2000 eclipse at 175k miles. I am now at 189k and the mounts blew again. I can hear the same rattling and squeaking. I had the spark plugs and valve cover ...
2
votes
1answer
86 views

volvo s40 2005 key error message

my volvo s40 2005 will not start and has message key error any idea what may be causing this problem . I have fitted a new battery and have changed the battery in the key fob but no change
-3
votes
1answer
46 views

Engine sounds like it's in 4th gear while it's in 5th gear, the revs stays normal [on hold]

Engine sounds like it's in 4th gear while it's in 5th gear, the revs stays normal, what could cause that?
4
votes
1answer
61 views

Fuel efficiency and volumetric efficiency

I was reading about the better volumetric efficiency of DOHC engines as compared to SOHC engine and was wondering if fuel efficiency is directly related to volumetric efficiency.
2
votes
3answers
472 views

Getting unexpectedly low mileage for Honda Fit 2012

Our Honda Fit 2012 (bought last October) is getting on average well under 25 MPG, sometimes as low as 22-23 MPG average according to the dashboard display. Neither my wife nor I are aggressive drivers ...
4
votes
2answers
50 views

Can an old car engine be used outside of a car?

After selling my car for salvage recently I began to wonder if I could repurpose my next car's engine for anything. Can old car engines be made into generators or other useful machines?
3
votes
1answer
32 views

Rim/tire two wrongs make a right?

One of the back wheels on my car has a different rim size than the others. Specifically that odd wheel is 195/65R15 whereas the other three tires are 205/55R16. I calculated the total diameter of the ...
4
votes
2answers
146 views

Synchromesh, Helical gear design

What specifically, is the design principle behind the Helical shape of gears in a synchromesh transmission? Are the Helical gear designed, in any known vehicle, to disengage? Is that why the gears ...
2
votes
1answer
25 views

Brakes smoke on driver side, but only after non-level terrain

I recently had my brakes serviced. Pads and rotors were replaced. Everything seemed fine. Today, I took a 30 minute drive where I applied the brakes significantly on the way back due to hilly terrain, ...
3
votes
2answers
57 views

Can shaft journals ever lose lubing against bearings?

Having opened cylinder valve covers, I was observing how my camshaft is mounted onto the static bearings via journals (basically, parts of any shaft that rest against bearings) that completely wrap ...
2
votes
2answers
56 views

No Sound from one Car speaker

I have an old Impreza 2002. Stereo Receiver died. I bought an inexpensive Boss Receiver from Amazon and also bought a Scosche Wiring Harness that fit my car. Put it in and not getting sound from ...
1
vote
1answer
127 views

Saab 93 Automatic died when waiting for traffic light and won't start again

I just bought a 2006 Saab 93 Aero 2.0T automatic in October, 72000 miles. Everything seems perfect. But 2 weeks ago, the engine died while I was waiting for red light in the town centre, I just braked ...
6
votes
3answers
48k views

Check Engine code P0420 Catalyst efficiency below threshold bank 1

After months of normal driving with no problems, my 2003 Honda Civic EX check engine light came on during a long trip. Got it scanned and it's P0420: Catalyst efficiency below threshold bank 1. They ...
3
votes
2answers
43 views

Washing shop clothes with lots of motor oil on them

What's the most effective way to wash your shop clothes that have lots of motor oil? I don't want to put it in the washer together with my regular dirty clothes to avoid spreading the oil onto them. ...
0
votes
2answers
2k views

Why does RPM jump between 1000 and 2000 at standstill (2002 Mercedes-Benz CLK 200 K)?

My car has a kind of a rough idle and it's like it gives a bit of gas, meter goes between 1000 and 2000 rpm at standstill. Same if I shift up to 1 or 2nd gear. If I then take it for a drive, car jerks ...
2
votes
3answers
109 views

Why are most engines made with even numbers of cylinders?

Why are most engines made with even numbers of cylinders? Are odd numbers of cylinders somehow less efficient than even ones?
1
vote
1answer
65 views

Volkswagen Passat went out of control

It was raining, and I was on a Motor Way, driving at about 100 mph and approaching 110. It was an automatic Volkswagen Passat, 12K miles old. The car started behaving weirdly, and it started shaking ...
3
votes
1answer
19 views

Hyundai Getz roof antenna mount broke

So, I went to wash the wife's car yesterday, and (as always) struggled with unscrewing the roof antenna from its base. This time, however, the thing broke. Now I'm thinking, is this something I can ...
1
vote
1answer
49 views

Read steering angle data in real time

I need to read vehicle steering angle (front wheel angle) data in real time for a research project that I am involved in. How can I achieve that? What HW and SW do I need for it? So far I can think ...
5
votes
4answers
2k views

Can a heavy key-chain damage your ignition?

I just bought a 2012 VW Jetta TDI. The dealer asked me to do a 2,000 mile check-up to make sure everything is within tolerances. At the check-up the service representative said my key-chain was too ...
2
votes
2answers
254 views

How many hours for roof reinforcements replacement

I need to replace the roof reinforcements for my VW Tiguan. I am quite concerned about the amount of hours required by car dealer shop for this Namely items 3 and 4 need to be replaced. This ...
1
vote
2answers
42 views

Find the version of a motorcycle

I need to know the exact version of my motorcycle, I can't find this information on the frame nor the user manual. It's a Kawasaki ER-5 sold in October 2005 in France. I want to replace the fork oil ...
4
votes
5answers
3k views

Why does a diesel sound like that?

My car is in the shop for a repair, and they gave me a loaner. It's a Chevy Cruze Diesel. Sitting on the driveway, my wife said, "It sounds like a truck". It does. So what exactly it is about ...
1
vote
2answers
58 views

Car explosion during compression

A question recently dawned upon me: do cars explode when they are compressed at junkyards? It seems like the answer would be 'no', obviously, or else this would most likely not be common practice. But ...
4
votes
4answers
24k views

What is the proper way to extract a broken sparkplug?

When dealing with a car with aluminum head(s), what is the proper way to extract a broken sparkplug?
3
votes
1answer
69 views

My 2002 vw golf keeps dying?

Hi Just wondering if anyone can help on this subject before I give up and sell it for spares! My VW golf (2002) had battery problems where I was going out to start the car and it would attempt to ...
5
votes
2answers
296 views

Why does diesel engine have redline much lower than petrol engine redline?

why do diesel cars redline at around 4500 rpm whereas petrol ones around 6500 -8000 rpm? Does this have something to do with the compression ratio?
13
votes
4answers
3k views

What is the technical reason the engineer decided the motorcycle gear pattern as follows?

The gear pattern is selected by clicking a lever with your left foot, and is typically laid out as follows: 6th gear (if applicable) 5th gear 4th gear 3rd gear 2nd gear NEUTRAL 1st gear What ...
6
votes
4answers
2k views

What happens if unsuitable oil is used in a vehicle engine?

I recently heard an urban legend-like story about a guy in a developing country who decided engine oil was too expensive and so used some vegetable oil instead. The story says the car ran for some ...
5
votes
2answers
45 views

Replacing hub bearing repeatedly - 2007 Jetta

I had my brake pads replaced at about 100k miles. I was hearing a noise that I thought was a bearing, and the mechanic came to the same conclusion, so I also had the bearing replaced. I drove the ...
6
votes
1answer
55 views

Torque spec variance with Anti-Seize

I see a lot of variances with torque specs when a fastener is lubed with anti-seize. Some places say 25% less torque is required for same clamping load, some places say 40% less is required. I'm ...
1
vote
2answers
48 views

BMW e46 AC intake location(s)

Is the intake for the air conditioning unit the same (i.e. under the hood near the windshield wipers) as the regular cabin air intake? What about in recirculation mode?
0
votes
2answers
34 views

Installed new alternator, now no power

I just put a new alternator on my 76 Winnebago motor home yesterday and it started just fine two times and now I have no power at all. No head lights, no cigarette lighter, nothing. Tested the ...
1
vote
3answers
51 views

2000 Toyota Camry power seat will not move forward more than 1" from back position.

2000 Toyota Camry power seat will not move forward more than 1" from the far back position. When I move the switch to move it forward the seat will move about 1" and stop and it will also move that ...
6
votes
2answers
628 views

Why not have drive chains instead of drive (serpentine) belts?

My drive (serpentine) belt was recently chewed down to about half the width and I had to replace it. Which brings the question: if the automotive industry has been gradually replacing timing belts ...
2
votes
1answer
445 views

Nissan Altima Alternator/Battery Problems

I own a 2005 Nissan Altima which has been having alternator/battery problems for past 1 year. My car has 112,000 miles on it. My car battery was past warranty so I had the battery replaced about a ...
9
votes
4answers
7k views

what is difference between DOHC and SOHC?

I want to know the SOHC and DOHC configurations. On what factors an engine manufacturer decides to go with SOHC or with DOHC, what should I choose? DOHC or SOHC?
0
votes
1answer
15 views

'03 Honda Odyssey Radio Reset

My battery died, and we replaced it. Had reset the radio code previously, with no difficulty, but this time it didn't work. Used up my 10 trial attempts, and went to the dealer. Service man checked ...
2
votes
1answer
316 views

How to determine what carburetors will be compatible with a motorcycle?

What are the parameters to determine whether or not motorcycle carbs are compatible with a certain engine? Is it just the size? For example, I have a 1978 Suzuki GS1000 with Mikuni carbs, and it's ...
0
votes
1answer
52 views

Clicking noise when starting from low speed, going over bumps

I have an '04 Echo that had the sway bar link replaced. However, a new annoying sound has developed. It usually happens when I'm starting from a dead stop, or going over bumps at low speeds. The sound ...
2
votes
1answer
138 views

Clutch is stuck disengaged and pedal will not move

My clutch pedal on my 2005 Toyota Corolla will not move. I can start the car by pressing the clutch safety switch by hand. I can put my transmission into gear with the engine running, so the clutch ...
6
votes
2answers
670 views

Do I need to lift my car up before adjusting lug nut torque?

I recently put new wheels on my car. I don't have off-street parking, much less a garage to work in, so I had the wheels installed by a mechanic. Since they were installed, they have been driven ...
0
votes
1answer
19 views

Program or website to explore inner workings of cars in 3d [closed]

I'm looking for a program or website where one can explore and possibly interact with car parts at rest and while functioning from start to finish (for example, from air intake to exhaust in the case ...
-1
votes
3answers
33 views

Steering wheel vibration

While driving my 2012 camaro at freeway speeds, the steering wheel vibrates violently. However, it will continue to vibrate intermittently even after braking every few seconds.
0
votes
2answers
40 views

How to add Fog Lamps to Maruthi Suzuki Alto 800

I have a Suzuki Alto 800 lxi 2015 model and I would like to add Fog lamps for that, which is does not come with this model. But the Alto K10 has it. So I would like to modify it. Can I do that ? and ...

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